.container::after {
    content: " ";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
    overflow: hidden;
}
.line::after {
    content: " ";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
    overflow: hidden;
}
.container-layout::after {
    content: " ";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
    overflow: hidden;
}
.after_css {
    height: 20px;
    background: #eeeeee;
}

.shadow {
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1)
}

.icon-user::before, .icon-key::before {
    line-height: 2;
}